CN106757015B - A kind of laser melting coating operating platform - Google Patents

A kind of laser melting coating operating platform Download PDF

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Publication number
CN106757015B
CN106757015B CN201710073715.3A CN201710073715A CN106757015B CN 106757015 B CN106757015 B CN 106757015B CN 201710073715 A CN201710073715 A CN 201710073715A CN 106757015 B CN106757015 B CN 106757015B
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CN
China
Prior art keywords
support rod
cladding
cooling
platform
cooling box
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Expired - Fee Related
Application number
CN201710073715.3A
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Chinese (zh)
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CN106757015A (en
Inventor
毕晓夕
孙佳钰
赵雨
辛洪生
于天彪
王宛山
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Northeastern University China
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Northeastern University China
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Priority to CN201710073715.3A priority Critical patent/CN106757015B/en
Publication of CN106757015A publication Critical patent/CN106757015A/en
Application granted granted Critical
Publication of CN106757015B publication Critical patent/CN106757015B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C24/00Coating starting from inorganic powder
    • C23C24/08Coating starting from inorganic powder by application of heat or pressure and heat
    • C23C24/10Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer

Abstract

The invention discloses a kind of laser melting coating operating platforms, including lifting platform and cooling box;The interior bottom of cooling box is equipped with the partition pipe that extends to the top of cooling box, and the side wall of cooling box is equipped with cooling liquid inlet I and cooling liquid inlet II, set at the top of cooling box there are two cooling liquid outlet;Lifting platform includes the lower plane with the applied thereto of cooling box, cladding platform and four lifting devices between lower plane and cladding platform;Lifting device includes the support rod I connecting with lower platform upper surface, the universal shaft being connect with cladding with platform lower surface and the support rod II with universal axis connection.Lifting inclination and the tilt rotation of cladding platform may be implemented in the present invention, guarantees the environment temperature of cladding process, prevents cladding layer from " collapsing " appearance of phenomenon, can block in cladding process the powder that " splashing " comes out, and plays the role of collecting powder.

Description

A kind of laser melting coating operating platform
Technical field
The recyclable laser melting coating of a kind of the present invention relates to elevation angles adjustable, temperature-controllable, waste material is filled with operating platform It sets.
Background technique
Laser melting and coating technique is a kind of new surface risen with the development of high power laser the 1970s Modification technology, this technology are that alloy powder or ceramic powders are heated and melted rapidly with matrix surface under laser beam effect, With basis material in a kind of method of rapid shaping of the surface covering of metallurgical bonding.Using laser melting and coating technique, can obtain The higher functor of arbitrarily complicated shape, good mechanical properties, dimensional accuracy, is suitble to the sophisticated functions in small lot, customization It is applied on part.
Laser cladding forming technology is raw in automobile, the processing and manufacturing of aerospace important part, maintenance, Complex Different Shape part It produces, the rapid mold manufacture in research and development, have in military enterprise for fields such as the research and development manufactures of high-precision end weapon and widely answer With.
Compared with other surfaces reinforcement technique, the advantages of laser melting coating, has:
(1) cooling velocity is fast, and laser melting coating belongs to rapid solidification, is easy to get fine grained texture or generates equilibrium state institute The cenotype being unable to get, such as non-steady phase, amorphous state;
(2) coating dilution rate is low, is combined with matrix in firm metallurgical bonding or interface extension, by joining to laser technology Several adjustment can obtain the good coat of low dilution rate, and coating composition and dilution are controllable;
(3) heat input and distortion are smaller, and when in particular by high power density quick cladding, deformation can be reduced to part In build-up tolerance;
(4) powder selection is almost without any restrictions, especially in low-melting-point metal surface cladding high-melting-point alloy;
(5) thickness range of cladding layer is big;
(6) it can be carried out constituency cladding, material consumption is few, has brilliant cost performance;
(7) technical process is simple, it is easy to accomplish automation.
In laser cladding process, powder is sent to matrix surface through coaxial powder-feeding nozzle ejection, by absorbing laser energy Fusing absorbs energy fusing with substrate and molten bath is collectively formed, and nozzle is run according to the scan path that computer controls, and powder feeder is sent Powder absorption luminous energy up to substrate surface constantly melts, then quickly solidification, to realize molding manufacture, surface reconditioning etc..? In whole process, there are following several defects:
1. the workbench of cladding is irremovable during cladding, only by the position of mobile laser head to find The origin position that cladding is started to work, this adjusts the position that operation needs to adjust laser head by the handle of robot, needs meat Then eye homing position carries out origin calibration, if misoperation can make laser head strike process operation plane, damage swashs Shaven head.In addition, due to the limitation of equipment, if you need to cladding from the horizontal by certain angle workpiece when, due to there is no support to set Standby, this cladding operating process will be unable to carry out;
2. the temperature of laser melting coating is generally 1000 DEG C or so, when the number of plies of cladding is less, temperature sink is very fast, with Thickness gradually increases, and temperature heat build-up phenomenon is also gradually seriously got up, and then leads to the temperature and heat heap of workpiece top Product is higher, will appear " collapsing " phenomenon during cladding, influences molding effect;
3. the powder speed that laser head sprays is very fast when powder sending quantity and scanning speed reach certain value, powder amount compares again Larger, the phenomenon that at this moment just will appear powder " splashing ", the powder that " splashing " goes out can not be collected back again, and powder is largely unrestrained Take.
Summary of the invention
According to technical problem set forth above, and provide a kind of laser melting coating operating platform.
The technological means that the present invention uses is as follows:
A kind of laser melting coating operating platform, including lifting platform and cooling box;
The interior bottom of the cooling box is equipped with the partition pipe extended to the top of the cooling box, the top of the partition pipe Portion's opening is equipped with cooling sap cavity, the side of the cooling box between the inner wall of the cooling box and the outer wall of the partition pipe Wall is equipped with the cooling liquid inlet I and cooling liquid inlet II being connected to the cooling sap cavity, and the top of the cooling box is equipped with two A cooling liquid outlet being connected to the cooling sap cavity;
The lifting platform includes the lower plane with the applied thereto of the cooling box, cladding platform and be located at it is described under Four lifting devices between plane and the cladding platform;
The lifting device includes the support rod I connecting with the lower platform upper surface, with cladding platform following table The universal shaft that face connects and the support rod II with the universal axis connection;
The support rod I is socketed on the support rod II, and the outer wall of the support rod II is equipped with along the support rod II The slideway that extends of axis direction, the support rod I is equipped with the sliding slot that matches with the slideway, the support rod I it is outer Wall is equipped with the fixation device for fixing the slideway.
The lifting inclination of the cladding platform may be implemented by the setting of the lifting device, it is easy to operate simple.
The side wall of the cooling box includes side wall I and the side wall II positioned at I opposite side of side wall, the bottom of the side wall I Angle is equipped with the cooling liquid inlet I, and the base angle of the side wall II is equipped with the cooling liquid inlet II, I He of cooling liquid inlet The cooling liquid inlet II is diagonally positioned, and two cooling liquid outlets are located at the cooling liquid inlet I and described cold But between liquid import II and diagonally positioned.
Coolant liquid flows into the cooling sap cavity from the cooling liquid inlet I and the cooling liquid inlet II, described in two Cooling liquid outlet outflow, such design is so that cooling heat transferring effect is more preferable, and with the progress of laser melting coating, the temperature of workpiece is gradually It increases, when workpiece cladding is to certain altitude, as the accumulation of heat just will appear " collapsing " situation, the cooling box is set Set is to reduce the ambient temperature in cladding process to prevent the appearance of phenomenon here.
The partition pipe has the extension extended to outside the cooling box.
The extension is higher by the cooling box, prevents the splashing of powder in cladding process, blocks the powder to splash away These powder can be collected after cladding, screening, be recycled, realize the recycling of material by end.
The slideway includes multiple sections tooth triangular in shape;
The fixed device is adjustment spanner, and the adjustment spanner is in class S shape, and the lower end of the adjustment spanner, which is equipped with, to be pushed The middle part in portion, the adjustment spanner is hinged by the outer wall of axis and the support rod I, and the axis, which is equipped with, makes the adjustment spanner The upper end of the torsionspring of reset, the adjustment spanner is equipped with retention bead, the between cog of the retention bead and the adjacent tooth Match, the outer wall of the support rod I is equipped with the through-hole that the retention bead passes through.
Press the pressing down section, the retention bead is separated with the slideway, select the lower plane upper surface with it is described After tilt angle of the cladding with spacing and the cladding platform between platform lower surface, the pressing down section is unclamped, it is described Adjustment spanner resets under the action of the torsionspring, and the retention bead passes through the through-hole and fixes the slideway, together When, the tilt rotation of the cladding platform may be implemented in the setting of the universal shaft.
The number of the tooth is 40, and the between cog spacing of the adjacent tooth is 2mm, the lower plane upper surface and the cladding It is up to 180mm, minimum 100mm with the spacing between platform lower surface.
The support rod II is entity structure.
The big universal yoke and bottom that the universal shaft, which includes bottom, to be connect with the cladding with platform lower surface pass through pin The small universal yoke that axis I is connect with the prong of the big universal yoke, the prong of the small universal yoke pass through pin shaft II and institute State the upper end connection of support rod II.
Four lifting devices are in 2 × 2 matrix arrangements.
Advantages of the present invention and good effect are as follows:
Equipment relationship of the invention is simple, is tilted by the lifting that cladding platform may be implemented in the setting of lifting device, The tilt rotation of cladding platform may be implemented by the setting of universal shaft, it is easy to operate simple;
Coolant liquid flows into cooling sap cavity from the cooling liquid inlet I and cooling liquid inlet II for being located at cooling box lower part, from position Two cooling liquid outlets in cooling box top flow out, and guarantee the environment temperature of cladding process, prevent cladding layer " collapsing " existing The appearance of elephant;
The extension of partition pipe is higher by cooling box, can block in cladding process the powder that " splashing " comes out, play receipts Collect the effect of powder, the powder collected back can be recycled, screens, be recycled, and realize recycling for material, response green system The call made;
The configuration of the present invention is simple, it is easy to operate, and manufacturing cost is low, can improve defect present in laser cladding process Problem is suitble to promote the use of.
The present invention can be widely popularized in fields such as laser melting coatings based on the above reasons.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a kind of structural schematic diagram of laser melting coating operating platform in a specific embodiment of the invention.
Fig. 2 is the structural schematic diagram of cooling box in a specific embodiment of the invention.
Fig. 3 is the structural schematic diagram of lifting platform in a specific embodiment of the invention.
Fig. 4 is the structural schematic diagram of lifting device in a specific embodiment of the invention.
Fig. 5 is the explosive view of lifting device in a specific embodiment of the invention.
Specific embodiment
As Figure 1-Figure 5, a kind of laser melting coating operating platform, including lifting platform and cooling box 1;
The interior bottom of the cooling box 1 is equipped with the partition pipe 11 extended to the top of the cooling box 1, the partition pipe 11 top opening is equipped with cooling sap cavity, the cooling between the inner wall of the cooling box 1 and the outer wall of the partition pipe 11 The side wall of cabinet 1 is equipped with the cooling liquid inlet I 12 and cooling liquid inlet II being connected to the cooling sap cavity, the cooling box 1 Top set that there are two the cooling liquid outlets 13 that are connected to the cooling sap cavity;
The lifting platform includes the lower plane 2 with the applied thereto of the cooling box 1, cladding platform 3 and is located at institute State four lifting devices 4 between lower plane 2 and the cladding platform 3;
The lifting device 4 includes the support rod I 41 connecting with 2 upper surface of lower platform, with cladding platform 3 The universal shaft 42 of lower surface connection and the support rod II 43 being connect with the universal shaft 42;
The support rod I 41 is socketed on the support rod II 43, and the outer wall of the support rod II 43 is equipped with along the branch The slideway 431 that the axis direction of strut II 43 extends, the support rod I 41 are equipped with the sliding slot to match with the slideway 431, The outer wall of the support rod I 41 is equipped with the fixation device for fixing the slideway 431.
The side wall of the cooling box 1 includes side wall I 14 and (the i.e. described side of side wall II positioned at I 14 opposite side of side wall Wall II and the side wall I 14 are opposite), the base angle of the side wall I 14 is equipped with the cooling liquid inlet I 12, the bottom of the side wall II Angle is equipped with the cooling liquid inlet II, and the cooling liquid inlet I 12 and the cooling liquid inlet II are diagonally positioned, described in two Cooling liquid outlet 13 is located between the cooling liquid inlet I 12 and the cooling liquid inlet II and diagonally positioned.
The partition pipe 11 has the extension 111 extended to outside the cooling box 1.
The slideway 431 includes multiple sections tooth triangular in shape;
The fixed device is adjustment spanner 44, and the adjustment spanner is in class S shape, and the lower end of the adjustment spanner 44 is equipped with The middle part of pressing down section 441, the adjustment spanner 44 is hinged by axis 442 and the outer wall of the support rod I 41, on the axis 442 Equipped with the torsionspring 443 for resetting the adjustment spanner 44, the upper end of the adjustment spanner 44 is equipped with retention bead 444, institute It states retention bead 444 and the between cog of the adjacent tooth matches, the outer wall of the support rod I 41 is equipped with the limit convex 444 and rises The through-hole 411 passed through.
The number of the tooth is 40, and the between cog spacing of the adjacent tooth is 2mm, and 2 upper surface of lower plane is melted with described It covers and is up to 180mm, minimum 100mm with the spacing between 3 lower surface of platform.
The support rod II 43 is entity structure.
The universal shaft 42 includes that the big universal yoke 421 that bottom and the cladding are connect with platform lower surface and bottom lead to Cross the small universal yoke 423 that pin shaft I 422 is connect with the prong of the big universal yoke 421, the fork of the small universal yoke 423 Mouth is connect by pin shaft II 424 with the upper end of the support rod II 43.
Four lifting devices 4 are in 2 × 2 matrix arrangements.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (8)

1. a kind of laser melting coating operating platform, which is characterized in that including lifting platform and cooling box;
The interior bottom of the cooling box is equipped with the partition pipe extended to the top of the cooling box, opens at the top of the partition pipe Mouthful, cooling sap cavity is equipped between the inner wall of the cooling box and the outer wall of the partition pipe, the side wall of the cooling box is set Have the cooling liquid inlet I and cooling liquid inlet II being connected to the cooling sap cavity, set at the top of the cooling box there are two with The cooling liquid outlet of the cooling sap cavity connection;
The lifting platform includes the lower plane with the applied thereto of the cooling box, cladding platform and is located at the lower plane Four lifting devices between the cladding platform;
The lifting device includes the support rod I connecting with the lower platform upper surface, is connected with cladding platform lower surface The universal shaft connect and the support rod II with the universal axis connection;
The support rod I is socketed on the support rod II, and the outer wall of the support rod II is equipped with the axis along the support rod II The slideway that line direction extends, the support rod I are equipped with the sliding slot to match with the slideway, and the outer wall of the support rod I is set There is the fixation device for fixing the slideway.
2. a kind of laser melting coating operating platform according to claim 1, it is characterised in that: the cooling box Side wall includes side wall I and the side wall II positioned at I opposite side of side wall, and the base angle of the side wall I is equipped with the cooling liquid inlet I, The base angle of the side wall II is equipped with the cooling liquid inlet II, the cooling liquid inlet I and the cooling liquid inlet II in diagonal Setting, two cooling liquid outlets are located between the cooling liquid inlet I and the cooling liquid inlet II and in diagonal Setting.
3. a kind of laser melting coating operating platform according to claim 1, it is characterised in that: the partition pipe has The extension extended to outside the cooling box.
4. a kind of laser melting coating operating platform according to claim 1, it is characterised in that: the slideway includes more A section tooth triangular in shape;
The fixed device is adjustment spanner, and the adjustment spanner is in class S shape, and the lower end of the adjustment spanner is equipped with pressing down section, The middle part of the adjustment spanner is hinged by the outer wall of axis and the support rod I, and the axis, which is equipped with, keeps the adjustment spanner multiple The upper end of the torsionspring of position, the adjustment spanner is equipped with retention bead, the between cog phase of the retention bead and the adjacent tooth Matching, the outer wall of the support rod I are equipped with the through-hole that the retention bead passes through.
5. a kind of laser melting coating operating platform according to claim 4, it is characterised in that: the number of the tooth is 40, the between cog spacing of the adjacent tooth is 2mm, the spacing of the lower plane upper surface and the cladding between platform lower surface It is up to 180mm, minimum 100mm.
6. a kind of laser melting coating operating platform according to claim 1, it is characterised in that: the support rod II is Entity structure.
7. a kind of laser melting coating operating platform according to claim 1, it is characterised in that: the universal shaft includes The fork that the big universal yoke and bottom that bottom and the cladding are connect with platform lower surface pass through pin shaft I and the big universal yoke The prong of the small universal yoke of mouth connection, the small universal yoke is connect by pin shaft II with the upper end of the support rod II.
8. a kind of laser melting coating operating platform according to claim 1, it is characterised in that: four lifting dresses It sets in 2 × 2 matrix arrangements.
CN201710073715.3A 2017-02-10 2017-02-10 A kind of laser melting coating operating platform Expired - Fee Related CN106757015B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112108742A (en) * 2020-09-16 2020-12-22 江苏理工学院 Welding device and welding method for argon arc welding
CN112195464B (en) * 2020-09-24 2023-03-24 西安航空职业技术学院 Laser cladding workpiece clamping device with powder recovery function

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CN206408293U (en) * 2017-02-10 2017-08-15 东北大学 A kind of laser melting coating operating platform

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CN1397760A (en) * 2001-07-17 2003-02-19 巴布考克及威尔考克斯公司 Circulating fluid-bed with controllable inner bed heat exchanger
CN2703604Y (en) * 2004-05-12 2005-06-08 武汉楚天激光(集团)股份有限公司 Lifting working table of laser processor
CN2906945Y (en) * 2005-03-11 2007-05-30 北京天睿力迈科技有限公司 Heat sink cooling device for high power sealed lead acid storage battery for submarine vessel
CN101066498A (en) * 2007-06-12 2007-11-07 中国海洋大学 Hammer technique and strength trainer
CN203542572U (en) * 2013-09-28 2014-04-16 汉莎阿尔法电气(苏州)有限公司 Workbench with adjustable table board
CN103521285A (en) * 2013-10-23 2014-01-22 南京市秦淮医院 Medical aseptic operation platform
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CN205886277U (en) * 2016-05-11 2017-01-18 南宁市夏阳化工科技有限责任公司 Produce automobile -used ureal baffle crystallization equipment
CN205802241U (en) * 2016-06-29 2016-12-14 广州市光机电技术研究院 A kind of can the transporter of automatic lifting and inclination
CN206408293U (en) * 2017-02-10 2017-08-15 东北大学 A kind of laser melting coating operating platform

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